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On 3 September 2026, Microsoft AI introduced MAI-Transcribe-2 as the fastest, most accurate and cheapest speech recognition versus rivals such as GPT-Transcribe, Gemini 3.5 Transcribe and ElevenLabs Scribe v2, at $0.10 per hour as a launch offer.
xAI introduced Grok Voice Transcribe 2.0 as its most accurate speech-to-text model, claiming twice the accuracy of version 1.0 at the same $0.10/hour batch and $0.20/hour streaming price, per the lab’s announcement.
Google introduced on 15 September 2026 (updated 17) Gemini 3.8 Live and Live Extended Thinking: speech-to-speech models with Artificial Analysis 82.6, τ-Voice 68.6%, and τ-Voice-banking 35.1%, aimed at voice agents.
On September 10, 2026, alongside GPT-Live-1, OpenAI introduced Presence: trusted enterprise voice agents that answer, resolve, use company systems, take approved actions, and escalate to humans. It is built on the GPT-Live-1 full-duplex layer. Source: the same OpenAI GPT-Live-1 API post.
On September 10, 2026, OpenAI introduced GPT-Live-1 in the API: a full-duplex voice layer at about $0.05 per minute, with ~80% fewer interruptions on the Speak eval versus classic turn-taking. It pairs with GPT-6 Astra and underpins OpenAI Presence for enterprise voice agents.
Full-duplex realtime audio APIs enabled low-latency call centers and spoken assistants with tool use.